* {
  padding: 0;
  margin: 0;
}

:root body {
  width: 100vw;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #000;
}
:root body main {
  font-family: Arial, Helvetica, sans-serif;
  font-weight: bold;
  font-size: 50px;
  text-transform: uppercase;
  box-sizing: border-box;
  color: transparent;
  -webkit-background-clip: text;
          background-clip: text;
  background-image: url("hd2.jpeg");
  background-size: 200% 150%;
  background-repeat: no-repeat;
  animation: identifier 10s infinite both cubic-bezier(0.17, 0.67, 0.83, 0.67);
}

@keyframes identifier {
  from {
    background-position: -50% 0%;
  }
  50% {
    background-position: 100% 0%;
  }
  to {
    background-position: -50% 0%;
  }
}